/*
 * Copyright (C) 2017-2019 Dremio Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.dremio.telemetry.api.config;

import java.util.Collections;
import java.util.List;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * Root level config for metrics-config.yaml.
 * Specify auto-reload settings and metrics settings in one spot.
 */
public class TelemetryConfigurator implements AutoCloseable {

  private final List<MetricsConfigurator> metricsConfigs;
  private final RefreshConfiguration refreshConfig;
  private final TracerConfigurator traceConfig;

  @JsonCreator
  public TelemetryConfigurator(
    @JsonProperty("auto-reload") RefreshConfiguration refreshConfig,
    @JsonProperty("metrics") List<MetricsConfigurator> metricsConfigs,
    @JsonProperty("tracing") TracerConfigurator traceConfig
  ) {
    super();
    this.refreshConfig = refreshConfig;
    this.metricsConfigs = metricsConfigs;
    this.traceConfig = traceConfig;
  }

  @Override
  public void close() {
    metricsConfigs.forEach(MetricsConfigurator::close);
  }

  public List<MetricsConfigurator> getMetricsConfigs() {
    return metricsConfigs == null ? null : Collections.unmodifiableList(metricsConfigs);
  }

  public RefreshConfiguration getRefreshConfig() {
    return refreshConfig;
  }

  public TracerConfigurator getTracerConfig() {
    return traceConfig;
  }
}
